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J Chem Ecol

Title:		"Behavioral and biological responses ofCotesia marginiventris to kairomones of the fall armyworm,Spodoptera frugiperda"
Author(s):		Loke WH; Ashley TR;
Address:		"Insect Attractants, Behavior, and Basic Biology Research Laboratory, USDA, 32604, Gainesville, Florida"
Journal Title:		J Chem Ecol
Year:		1984
Volume:		10
Issue:		3
Page Number:		521 - 529
DOI:		10.1007/BF00988097
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"Potential kairomone sources of the fall armyworm (FAW),Spodoptera frugiperda (J.E. Smith), were bioassayed with females ofCotesia marginiventris (Cresson) in Petri dishes (10 cm diam). MatedC. marginiventris females, ranging in age from 1 to 3 days exhibited the most intense bioassay responses to potential sources of kairomone. Contacting a FAW-damaged corn leaf modified the pattern of movement inC. marginiventris from random to one exhibiting a significant increase in klinokinesis. No significant differences were present in kairomone responses of nonconditioned and conditioned parasitoids and parasitoid response to kairomones did not change throughout the photophase (0800-1800 hr). Removal of one, both, or the first eight antennal segments reduced or eliminated the response of the parasitoid to kairomones. Female parasitoids did not exhibit a preference for corn leaves damaged by a particular fall armyworm instar and parasitization rates were highest in larvae 48 hr old"
Keywords:
Notes:		"PubMed-not-MEDLINELoke, W H Ashley, T R eng 1984/03/01 J Chem Ecol. 1984 Mar; 10(3):521-9. doi: 10.1007/BF00988097"